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Service bulletin SSM73945

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10144577
Published by NHTSA2018-09-17
Manufacturer's numberSSM73945
Manufacturer's date2018-07-27
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Issue: When performing a software update on the HVAC (Heating Ventilation and Air Conditioning Control Module) the update fails stating SDD (Symptom Driven Diagnostics) has failed to resolve software.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Heating and air conditioning, Software

Vehicles listed
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018
LAND ROVER DISCOVERY SPORT2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20V1430002020-03-12. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING
18V3370002018-05-23. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SSM758142023-10-06. Service bulletin. Weather and Park & Pay Apps disappear after PIVI update
SSM760222023-07-11. Service bulletin. JLR is investigating reports of vehicles being released to customers without the TCU Telematic Control Unit SOS Emergency Call being activated.
SSM758552022-10-07. Service bulletin. UNABLE TO COMPLETE PDI DUE TO TELEMATICS INCONTROL ACTIVATION FAILING
SSM758052022-10-07. Service bulletin. NO COMMUNICATION WITH IMPA VIA TOPIX CLOUD
SFCC_NOV2021_252021-12-07. Service bulletin. Post 21A Update Apple CarPlay® Navigation Voice Guidance Not Heard
SFCC Jul20_262020-08-07. Service bulletin. 20B Software Delay until July 15th Software was delayed to include software fix for L551 APIX cable issue Audio popping noise iOS13 Bluetooth improvements Additional improvements
SSM74813_Attach2020-05-29. Service bulletin. JLR is investigating an issue on Incontrol Touch (NLI) infotainment systems, where the ‘Browse’ and Track list’ tiles are greyed out (see attachment) when streaming music on Bluetooth with Apple handsets using iOS 13.0 and above.
Tech_RS_NOV19_772019-12-07. Service bulletin. Check Engine lamp illuminated with DTC P2002-00 stored in the PCM which requires DPF replacement
SFCC_NOV19_402019-12-07. Service bulletin. Customer states the vehicle will not start.
LTB01261NAS32019-09-09. Service bulletin. The auto stop/start system does not function as expected.